Acta Mathematica Vietnamica

, Volume 39, Issue 3, pp 305–312 | Cite as

Beurling spectrum of a function in a Banach space

  • Dang Vu GiangEmail author


We investigate the Beurling spectra of \(\mathbb{X}\)-valued functions with application to functional delay differential equations.


Convolution Spectral radius Compact spectrum Almost periodicity 

Mathematics Subject Classification (2010)

46E30 42B10 46F05 



The author would like to express his sincere thank to the referee for reading carefully the manuscript and providing some suggestions that have been implemented in the final version of the paper. Deepest appreciation is extended toward the NAFOSTED (the National Foundation for Science and Technology Development in Vietnam) for the financial support.


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Copyright information

© Institute of Mathematics, Vietnam Academy of Science and Technology (VAST) and Springer Science+Business Media Singapore 2014

Authors and Affiliations

  1. 1.Hanoi Institute of MathematicsHanoiVietnam

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